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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1967 1
1977 1
1978 1
1980 1
1981 5
1982 11
1983 15
1984 31
1985 21
1986 31
1987 36
1988 47
1989 69
1990 71
1991 92
1992 104
1993 108
1994 130
1995 121
1996 150
1997 158
1998 122
1999 146
2000 133
2001 119
2002 122
2003 128
2004 133
2005 117
2006 122
2007 90
2008 99
2009 109
2010 82
2011 100
2012 94
2013 111
2014 94
2015 84
2016 84
2017 90
2018 77
2019 77
2020 75
2021 89
2022 114
2023 33

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3,646 results

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Page 1
Role of Beta-Carotene in Lung Cancer Primary Chemoprevention: A Systematic Review with Meta-Analysis and Meta-Regression.
Kordiak J, Bielec F, Jabłoński S, Pastuszak-Lewandoska D. Kordiak J, et al. Nutrients. 2022 Mar 24;14(7):1361. doi: 10.3390/nu14071361. Nutrients. 2022. PMID: 35405977 Free PMC article. Review.
Our findings indicate that beta-carotene supplementation has no effect on lung cancer risk. Moreover, when used as the primary chemoprevention, beta-carotene may, in fact, increase the risk of lung cancer....
Our findings indicate that beta-carotene supplementation has no effect on lung cancer risk. Moreover, when used as the …
The effect of vitamin E and beta carotene on the incidence of lung cancer and other cancers in male smokers.
Alpha-Tocopherol, Beta Carotene Cancer Prevention Study Group. Alpha-Tocopherol, Beta Carotene Cancer Prevention Study Group. N Engl J Med. 1994 Apr 14;330(15):1029-35. doi: 10.1056/NEJM199404143301501. N Engl J Med. 1994. PMID: 8127329 Free article. Clinical Trial.
METHODS: We performed a randomized, double-blind, placebo-controlled primary-prevention trial to determine whether daily supplementation with alpha-tocopherol, beta carotene, or both would reduce the incidence of lung cancer and other cancers. ...Be …
METHODS: We performed a randomized, double-blind, placebo-controlled primary-prevention trial to determine whether daily supplementation wit …
beta-carotene and cancer chemoprevention.
Buring JE, Hennekens CH. Buring JE, et al. J Cell Biochem Suppl. 1995;22:226-30. doi: 10.1002/jcb.240590828. J Cell Biochem Suppl. 1995. PMID: 8538202 Review.
Evidence supports the potential role of beta-carotene in cancer prevention. Basic research has demonstrated that beta-carotene can trap organic free radicals and/or deactivate excited oxygen molecules which may have an anticancer effect by preve …
Evidence supports the potential role of beta-carotene in cancer prevention. Basic research has demonstrated that bet …
Beta-carotene supplementation and cancer risk: a systematic review and metaanalysis of randomized controlled trials.
Druesne-Pecollo N, Latino-Martel P, Norat T, Barrandon E, Bertrais S, Galan P, Hercberg S. Druesne-Pecollo N, et al. Int J Cancer. 2010 Jul 1;127(1):172-84. doi: 10.1002/ijc.25008. Int J Cancer. 2010. PMID: 19876916 Free article. Review.
The objective was to review the effect of beta-carotene supplementation on cancer incidence in randomized trials by cancer site, beta-carotene supplementation characteristics and study population. ...Beta-carotene supplement …
The objective was to review the effect of beta-carotene supplementation on cancer incidence in randomized trials by …
Nutritional supplements and cancer: potential benefits and proven harms.
Harvie M. Harvie M. Am Soc Clin Oncol Educ Book. 2014:e478-86. doi: 10.14694/EdBook_AM.2014.34.e478. Am Soc Clin Oncol Educ Book. 2014. PMID: 24857143 Free article. Review.
For example, these trials showed that beta-carotene increases the risk of lung and stomach cancer, vitamin E increases prostate cancer and colorectal adenoma, and selenium reduces gastric and lung cancer in populations with low selenium levels b …
For example, these trials showed that beta-carotene increases the risk of lung and stomach cancer, vitamin E increases …
The importance of vitamin A in nutrition.
Dawson MI. Dawson MI. Curr Pharm Des. 2000 Feb;6(3):311-25. doi: 10.2174/1381612003401190. Curr Pharm Des. 2000. PMID: 10637381 Review.
Preformed vitamin A (all-trans-retinol and its esters) and provitamin A (beta-carotene) are essential dietary nutrients that provide a source of retinol. Both retinyl esters and beta-carotene are metabolized to retinol. The retinol-binding proteins on …
Preformed vitamin A (all-trans-retinol and its esters) and provitamin A (beta-carotene) are essential dietary nutrients that p …
The Role of Antioxidants in Cancer, Friends or Foes?
Poljsak B, Milisav I. Poljsak B, et al. Curr Pharm Des. 2018;24(44):5234-5244. doi: 10.2174/1381612825666190123112647. Curr Pharm Des. 2018. PMID: 30674247 Review.
It seems that antioxidants are able to I) decrease the cancer formation risk by quenching ROS that are involved in cancer initiation and progression and II) assist in survival of cancer/precancer cells once the malignant transformation already occurred. Antio …
It seems that antioxidants are able to I) decrease the cancer formation risk by quenching ROS that are involved in cancer init …
Beta-carotene increases lung cancer incidence in cigarette smokers.
De Luca LM, Ross SA. De Luca LM, et al. Nutr Rev. 1996 Jun;54(6):178-80. doi: 10.1111/j.1753-4887.1996.tb03926.x. Nutr Rev. 1996. PMID: 8810825 Review.
Strikingly, an increase in lung cancer resulted following beta-carotene supplementation in two separate studies in Finland and the United States. These trials were conducted without any evidence that beta-carotene prevents lung cancer in …
Strikingly, an increase in lung cancer resulted following beta-carotene supplementation in two separate studies in Finl …
Effectiveness of beta-carotene in cancer chemoprevention.
Toma S, Losardo PL, Vincent M, Palumbo R. Toma S, et al. Eur J Cancer Prev. 1995 Jun;4(3):213-24. doi: 10.1097/00008469-199506000-00002. Eur J Cancer Prev. 1995. PMID: 7647689 Review.
This article reviews the current knowledge on the cancer-preventive potential of beta-carotene, a precursor of vitamin A, and plentiful in fruits and vegetables, which has been studied widely as a promising chemopreventive agent in reducing the risk of can …
This article reviews the current knowledge on the cancer-preventive potential of beta-carotene, a precursor of vitamin …
Chemoprevention of oral cancer: beta-carotene and vitamin E in leukoplakia.
Garewal H. Garewal H. Eur J Cancer Prev. 1994 Mar;3(2):101-7. doi: 10.1097/00008469-199403000-00003. Eur J Cancer Prev. 1994. PMID: 8019381 Review.
Beta-carotene and vitamin E, unlike the retinoids, fulfill the criteria for a suitable chemopreventive agent and several lines of evidence point to a preventive role for them against oral cancer. These include laboratory in vitro and animal model findings, bu …
Beta-carotene and vitamin E, unlike the retinoids, fulfill the criteria for a suitable chemopreventive agent and several lines …
3,646 results